Equivalent Ratios and Solving Proportions

Daniel bought 2 pairs of jeans for $50 and Howard bought 4 pairs of jeans for 90$.  Did they pay the same rate?  

• yes, equivalent

• no, not equivalent

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  

• yes, equivalent

• no, not equivalent

Solve the proportion:

• 4

• 8

• 14

• 10

Solve the proportion.

• 1

• 3

• 6

• 5

Solve for x:  x/4 = 6/8

• 4

• 2

• 3

• 10

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

Solve for x 

• x = 98/5

• x = 5/98

• x = 101/5

What is a proportion?

• When two ratios can be simplified

• When two ratios are equivalent and show the same value

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2